BEDMINSTER — An overturned dump truck forced the closure of the right traffic lane and the right shoulder on Route 78 westbound at Exit 29, causing delays of about 15 minutes as of 6:06 p.m., according to the New Jersey Department of Transportation.

Toopers were on the scene performing its initial investigation and routing traffic around the incident, according to State Police.

There was a spill on the roadway of some of the truck's contents, but no active fuel leak, State Police said.